<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=, initial-scale=1.0">
    <title>样式表</title>
    <link rel="stylesheet" href="style1.css">
    <!-- 内部样式表 -->
    <!-- <style>
        div {
            color: blue;
        }
    </style> -->
</head>
<body>
    <!-- 行内样式表 -->
    <!-- <div style="color: brown;">
        what's your name !
    </div> -->
    <div>my name is 吴🐷双！</div>
</body>
</html>